General Information
Version
7.1
Revision date
2025-11-07
Product name
Lawesson reagent
CAS No.
19172-47-5
1.2.1 Relevant identified uses
For R&D use only. Not for pharmaceutical, household or other uses
Emergency telephone
+61 2 9037 2994
Icons in SDS
Company Information
company name
Merck Life Science Pty Ltd
e-mail address of the competent person responsible for the Safety Data Sheet
customersupport.anz@merckgroup.com
GHS Information
Signal word
Danger
Hazard Codes
Hazard statements (CLP)
H261
Hazard statements
Code
Statements
H261
In contact with water releases flammable gas
Section 2
SECTION 2: Hazards identification
GHS Classification Substances and mixtures, which in contact with wa- ter, emit flammable gases Category 2
Signal word
Danger
Hazard statements
H261 In contact with water releases flammable gases.
Supplemental label elements
AUH029 Contact with water liberates toxic gas.
Prevention
P223 Do not allow contact with water. P231 + P232 Handle and store contents under inert gas. Protect from moisture. P280 Wear protective gloves/ protective clothing/ eye protection/ face protection.
Response
P302 + P335 + P334 IF ON SKIN: Brush off loose par- ticles from skin. Immerse in cool water. P370 + P378 In case of fire: Use dry sand, dry chemi- cal or alcohol-resistant foam to extinguish.
Storage
P402 + P404 Store in a dry place. Store in a closed container.
Disposal
P501 Dispose of contents/ container to an approved waste disposal plant.
Other hazards which do not result in classification
None known.
2.1 Classification of the substance or mixture
Substances and mixtures, : Category 2 which in contact with wa- ter, emit flammable gases
